Medscape - Amebiasis-specific dosing for Flagyl, Flagyl ER (metronidazole), frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and. Metronidazole is an antibiotic used to treat bacterial and protozoal infections. Side effects of metronidazole can include headaches, taste changes, and nausea. Easy-to-read patient tips for metronidazole covering how it works, benefits, risks, and best practices. Metronidazole is used to treat bacterial infections in different areas of the body. It is also used to treat infections caused by protozoa (eg, trichomoniasis and amebiasis) and infections caused by bacteria that do not need oxygen to survive. Find patient medical information for Metronidazole (Flagyl, Likmez) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Metronidazole is used to treat a certain type of vaginal infection (bacterial vaginosis) in women who are not pregnant. Learn about side effects, drug interactions, dosages, warnings, and more. Metronidazole is a nitroimidazole antimicrobial that kills anaerobic bacteria and parasites via DNA-damaging free radicals. It treats trichomoniasis, amebiasis, and serious anaerobic infections, and prevents post-colorectal-surgery infection. Learn about side effects, interactions, and indications. Find out how metronidazole treats infections and how to take it. NHS medicines information on metronidazole – what it's used for, side effects, dosage and who can take it. Metronidazole is a prescription antibiotic medication prescribed for the treatment of a variety of parasitic and bacterial infections of the vagina, gynecological area, skin, intra-abdominal cavity, blood, bone, joint, nervous system, and heart. Metronidazole 500 mg treats bacterial and parasitic infections. Learn how it works, its side effects, the alcohol interaction, and who should use it with care.